Genetic Variant NM_003705.5:c.1418G>C (chr2-171793655-C-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_003705.5(SLC25A12):c.1418G>C(p.Arg473Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,872 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R473Q) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SLC25A12
NM_003705.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.30

Publications

0 publications found

Variant links:

Genes affected

SLC25A12 (HGNC:10982): (solute carrier family 25 member 12) This gene encodes a calcium-binding mitochondrial carrier protein. The encoded protein localizes to the mitochondria and is involved in the exchange of aspartate for glutamate across the inner mitochondrial membrane. Polymorphisms in this gene may be associated with autism, and mutations in this gene may also be a cause of global cerebral hypomyelination. Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, Apr 2012]

SLC25A12 Gene-Disease associations (from GenCC):

developmental and epileptic encephalopathy, 39
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
mitochondrial disease
Inheritance: AR Classification: MODERATE Submitted by: ClinGen

SLC25A12 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.857

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003705.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC25A12	NM_003705.5	MANE Select	c.1418G>C	p.Arg473Pro	missense	Exon 14 of 18	NP_003696.2
	SLC25A12	NR_047549.2		n.1332G>C		non_coding_transcript_exon	Exon 13 of 17

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SLC25A12	ENST00000422440.7	TSL:1 MANE Select	c.1418G>C	p.Arg473Pro	missense	Exon 14 of 18	ENSP00000388658.2	O75746-1
SLC25A12	ENST00000958780.1		c.1595G>C	p.Arg532Pro	missense	Exon 16 of 20	ENSP00000628839.1
SLC25A12	ENST00000958781.1		c.1418G>C	p.Arg473Pro	missense	Exon 14 of 19	ENSP00000628840.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461872

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727234

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112000

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.95

BayesDel_addAF

Pathogenic

0.31

BayesDel_noAF

Pathogenic

0.21

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.83

Eigen

Pathogenic

0.80

Eigen_PC

Pathogenic

0.68

FATHMM_MKL

Uncertain

0.94

LIST_S2

Pathogenic

0.99

M_CAP

Pathogenic

0.31

MetaRNN

Pathogenic

0.86

MetaSVM

Uncertain

0.62

MutationAssessor

Pathogenic

3.5

PhyloP100

3.3

PrimateAI

Uncertain

0.60

PROVEAN

Pathogenic

-4.5

REVEL

Pathogenic

0.66

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0020

Polyphen

0.99

Vest4

0.77

MutPred

0.46

Loss of stability (P = 0.0809)

MVP

0.93

MPC

1.7

ClinPred

0.99

GERP RS

4.4

Varity_R

0.97

gMVP

0.93

Mutation Taster

=53/47

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over